UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUTss2AaIplFu8sFuwNnmwhLOGHLCH74XVo6h0BY9oI=' 
WHERE 
  key_id = '8738205583e3955f0bbf22cefc560c741a59573f73ebc89a892b52c3abd32450' 
  AND (
    token = 'gUTss2AaIplFu8sFuwNnmwhLOGHLCH74XVo6h0BY9oI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )